KEY POINTS
  • David Tepper emails to CNBC saying, "Powell basically told you the Fed put is dead."
  • "Cash is not so bad," the investor adds.
  • Tepper manages $14 billion at Appaloosa Management and has moved the market in the past with his calls.
David Tepper, founder and president of Appaloosa Management.

Hedge fund titan David Tepper said Thursday the Federal Reserve is sending the market a message, and it's not a good one.

A day after the Fed raised interest rates for the fourth time this year, the influential investor made the following points in an email to Joe Kernen and CNBC's Squawk Box: